Garmin Forerunner 225 vs. Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Amazfit Verge

 
Forerunner 225
M400
Forerunner 235
Flex
Verge
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAmazfitVergeRemove Buy Now

Basic Info

Suggested Price$300$200$299.99$100$160
Release20152014201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks8 hours to 30 days9 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a215 x 180NA454x454
Size1 inchn/a1.23 inchesNA1.39 inches
TouchNA
Typen/an/aMIPLEDOMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM1 ATMIP68

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNAAMAZFIT OS
Appsn/a
Musicn/a

All Wearables